*{
    margin: 0;
    padding: 0;
}
body{
    box-sizing: border-box;
    cursor: default;
}
ul{
    list-style: none;
}
a{
    color: black;
    text-decoration: none;
}
img{
    vertical-align: middle;
}
button{
    border:0;
    outline:none;
   background-color: transparent;
}
/* ct 开始 */
.ct{
    width: 1200px;
    height: 1200px;
    margin: 0 auto 0 auto;
}
.ct .ct-nav{
    width: 300px;
    height: 500px;
    float: left;
    border: 1px solid #333;
    box-sizing: border-box;
}
.opp{
    position: fixed;
    top: 0;
}
.more{
    width: 100px;
    height: 60px;
    text-align: center;
    line-height: 60px;
    font-size: 20px;
}
.more:hover{
    background-color: rgb(54, 54, 182);
}
.ct .ct-nav .nav-mol{
    float: left;
}
.ct .ct-nav .nav-mo li{
    display: block;
    width: 300px;
    height: 60px;
    border-bottom: 1px solid #333;
}
/* .ct .ct-nav .nav-mo li:hover{
    background-color: #fff;
} */
.ct .ct-nav .nav-mo li img{
    width: 50px;
    height:50px;
    margin-left: 30px;
}
.ct .ct-nav .nav-mo li span{
    width: 100%;
    height: 100%;
    line-height: 60px;
    margin-left: 10px;
}
.ct .ct-nav .nav-mo li::after{
    content: ">>";
    float: right;
    line-height: 60px;
    margin-right: 20px;
    color: #333;
}
.nav-box li{
    height: 35px;
    width: 300px;
    margin-left: 20px;
}
/* .nav-box li:hover{
    background-color: #999;
} */
.nav-box li input{
    margin-right: 5px;
}
.interval{
    width: 300px;
    height: 100px;
    margin-top: 20px;
    padding: 10px;
    box-sizing: border-box;
}
.interval .price{
    width: 280px;
    height: 40px;
}
.interval .price input{
    width: 50px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    margin-top: 5px;

}
.interval .price input:nth-child(1){
    float: left;
}
.interval .price input:nth-child(2){
    float: right;
}
.interval .int-z{
    width: 20px;
    height: 20px;
    float: left;
    background-color: blue;
    border-radius: 50%;
}
.interval .int-zjo{
    width: 240px;
    height: 10px;
    float: left;
    margin-top: 5px;
    background-color: blue;

}
.interval .int-y{
    width: 20px;
    height: 20px;
    float: right;
    background-color: blue;
    border-radius: 50%;

}
.ct .ct-con{
    width: 900px;
    float: right;
}
.ct-con .conten-oen{
    position: relative;
    width: 280px;
    height: 300px;
    float: left;
    margin: 0 10px 0 10px;
    border: 0.5px solid rgb(185, 179, 179);
    box-sizing: border-box;
    border-bottom: none;
}
.ct-con .conten-oen span{
    position: absolute;
    top: 10px;
    left: 210px;
    background-color: yellow;
    color: black;

}
.ct-con .conten-oen img{
    width: 200px;
    height: 200px;
    padding-left: 50px;
}
.ct-con .conten-oen .tuxian{
    width: 100%;
    height: 50px;
}
.ct-con .conten-oen p{
    text-align: center;
    font-size: 12px;
}
.dividing{
    width: 100%;
    height: 50px;
    background-color: blue;
}
.dividing .dd{
    width: 1200px;
    height: 100%;
    margin: 0 auto 0 auto;
}
.dividing .dd .dd-con{
    width: 150px;
    height: 100%;
    float: left;
    margin-left: 90px;
    line-height: 50px;
    text-align: center;
    color: #fff;
}
.instructions{
    width: 1200px;
    height: 200px;
    margin: 0 auto 0 auto;
}
.instructions .instructions-shu{
    width: 300px;
    height: 100%;
    padding-top: 50px;
    float: left;
}
.instructions .instructions-shu span{
    display: block;
    color: blue;
    font-size: 20px;
    padding-bottom: 10px;
}
.instructions .instructions-shu a{
    display: block;
    font-weight: bold;
    font-size: 15px;
    padding-bottom: 5px;
}